/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Sets a control's current value given its index
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=URigHierarchy) void SetControlValueByIndex ( int32 InElementIndex, [FRigControlValue](API\Plugins\ControlRig\Rigs\FRigControlValue) InValue, [ERigControlValueType](API\Plugins\ControlRig\Rigs\ERigControlValueType) InValueType, bool bSetupUndo, bool bPrintPythonCommands )